HEIDENHAIN TNC 426B (280 472) Touch Probe Cycles - Manual (Page 128)

116 4 Touch Probe Cycles for Automatic Tool Measurement
4.2 A
v
ailable Cy
cles
Measuring the tool radius
Before measuring a tool for the first time, enter the following data on
the tool into the tool table TOOL.T: the approximate radius, the
approximate length, the number of teeth, and the cutting direction.
The tool radius is measured with the cycle TCH PROBE 32 TOOL
RADIUS. Depending on the input parameters you can measure the
radius of a tool by:
n
Measuring the tool while it is rotating.
n Measuring the tool while it is rotating and subsequently measuring
the individual teeth.
Sequence of measurement
The TNC pre-positions the tool to be measured to a position at the side
of the touch probe head. The distance from the tip of the milling tool
to the upper edge of the touch probe head is defined in MP6530. The
TNC probes the tool radially while it is rotating. If you have
programmed a subsequent measurement of individual teeth, the TNC
measures the radius of each tooth with the aid of oriented spindle
stops.
Cylindrical tools with diamond surfaces can be measured
with stationary spindle as of NC software 280 476-xx. To
do so, define the number of teeth (CUT) with 0 and adjust
the machine parameter 6500. Refer to your machine
manual.